Wheelbarrow rear wheel system

A rear wheel system for use with a wheelbarrow including a tray having a front end, a rear end, and an underside, a pair of spaced handles connected to said tray and extending from said rear end thereof, and a front wheel rotatably mounted to said tray adjacent said front end thereof, said rear wheel system comprising:

• a frame assembly adapted to be secured to said underside of said tray of said wheelbarrow adjacent said rear end of said tray;
• a wheel assembly to said frame assembly, said wheel assembly including a pair of spaced wheels;
• a pair of spaced legs each having an upper end and a lower end;
• a crossbar interconnecting said pair of spaced legs adjacent said lower ends thereof;
• a pair of braces each having a first end and a second end, each brace attached at said first end thereof to said crossbar;
• a pair of mounting plates each having a first end and a second end, each mounting plate attached at said first end thereof to one of said pair of spaced legs adjacent said upper end of said leg and attached at said second end thereof to one of said pair of braces adjacent said second end of said brace;
• each mounting plate adapted to be secured to said tray of said wheelbarrow;
• a cross member;
• a pair of spaced wheels attached to opposite ends of said cross member and extending downward therefrom;
• a pair of spaced posts extending upward from opposite ends of said cross member;
• and
• said pair of spaced posts of said wheel assembly coupled to said pair of spaced legs of said frame assembly.